A projectile is fired from a cannon at a speed of 301 m/s and at an angle of 3 degrees. How long does it take the projectile to reach the highest point? How far does it go horizontally?

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above